+void bluesky_store_sync(BlueSkyStore *store);
+
+void bluesky_store_add_barrier(BlueSkyStoreAsync *barrier,
+ BlueSkyStoreAsync *async);
+
+void bluesky_inode_start_sync(BlueSkyInode *inode, BlueSkyStoreAsync *barrier);
+
+void bluesky_block_flush(BlueSkyFS *fs, BlueSkyBlock *block,
+ BlueSkyStoreAsync *barrier);
+void bluesky_file_flush(BlueSkyInode *inode, BlueSkyStoreAsync *barrier);
+void bluesky_file_drop_cached(BlueSkyInode *inode);